Allium ‘H²¹¾±°ù’ is chosen because it is quirky and playful in its structure. ‘H²¹¾±°ù’ is a clump-forming, bulbous perennial, to around 60cm tall, with grass-like, round, hollow leaves. In summer, dense flower umbels, up to 4cm across, are borne comprising purple centres from which emerge tendril or hair-like green extensions.